There are four times as many purple dresses as brown dresses in a sale. If there are 165 purple and brown dresses altogether,
- how many purple dresses are there?
- how many more purple dresses than brown dresses?
(a)
Number of brown dresses = 1 u
Number of purple dresses
= 4 x 1 u
= 4 u
Total number of dresses
= 4 u + 1 u
= 5 u
5 u = 165
1 u = 165 ÷ 5 = 33
Number of purple dresses
= 4 u
= 4 x 33
= 132
(b)
Number of more purple dresses than brown dresses
= 4 u - 1 u
= 3 u
= 3 x 33
= 99
Answer(s): (a) 132; (b) 99